Pure
Kaitlin is an anglicized form of the Irish name Caitlín, which itself is the Irish version of Katherine. It ultimately derives from the Greek name Aikaterine, which has long been associated with the Greek word 'katharos', meaning pure.
About 35 girls were named Kaitlin in 2025.
US births per 5-year period, 1990–present (SSA data).
American actress known for It's Always Sunny in Philadelphia
Olympic gold medalist swimmer
American actress known for the series Empire
The younger sister of Marissa Cooper · The O.C.
